Home / 11,931.36-17,892.72-4,537.80

Finding the Fourth Proportional to 11,931.36, 17,892.72 and 4,537.80

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Solution

The fourth proportional to 11,931.36, 17,892.72 and 4,537.80 is: 6,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.36 : 17,892.72 = 4,537.80 : x
  2. Step 2: Convert to fraction form
    11,931.36/17,892.72 = 4,537.80/x
  3. Step 3: Cross multiply
    11,931.36x = 17,892.72 × 4,537.80
  4. Step 4: Simplify right side
    11,931.36x = 81,193,584.82
  5. Step 5: Solve for x
    x = 81,193,584.82/11,931.36
  6. Step 6: Final answer
    x = 6,805.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.